An explosion is a sudden increase in amount（）

I just managed to（）a quick breath before I was pulled under the water by the passing boats.

He（）for military service against the wishes of his parents.

Our department（）courses in several foreign languages.

I want you to succeed without（）and firmly believe that you will succeed if you try hard enough.

I expected a bigger payment, but I suppose you have to be（）for small mercies.

（）students often find it difficult to live in China at first.

The price they offered for my old car was so low that I（）it down.

She is very nice, but because she has a（）way of speaking, she is slow in making friends

She had clearly no（）of doing any work, although she was very well paid.